GPU Comparison
GPU
Intel Xeon Phi 3120A
CORE STATE
Knights Corner
VRAM
6 GB
CLOCK SPEED
—
TDP
300 W
BUS WIDTH
384 bit
ARCHITECTURE
Knights
PROCESS
22 nm
LAUNCH DATE
2012
VS
GEFORCE
GeForce GTX 680MX Mac Edition
CORE STATE
GK104
VRAM
2 GB
CLOCK SPEED
719 MHz
TDP
122 W
BUS WIDTH
256 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2012
DETAILED SPECIFICATIONS
SPECIFICATION
Phi 3120A
GTX 680MX Mac Edition
Core Specs
Shading Units
912
1,536
+68.4%
Shaders
912
1,536
+68.4%
TMUs
32
128
+300.0%
ROPs
0
32
+∞%
Execution Units
57
—
Clocks
Base Clock
—
719 MHz
Boost Clock
—
719 MHz
GPU Clock
1100 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
1250 MHz
5 Gbps effective
Memory
Memory Size
6 GB
2 GB
VRAM (MB)
6,144
2,048
-66.7%
Memory Type
GDDR5
GDDR5
Memory Bus
384 bit
256 bit
Bandwidth
240.0 GB/s
160.0 GB/s
Cache
L1 Cache
—
16 KB (per SMX)
L2 Cache
—
512 KB
Performance
Pixel Rate
0 MPixel/s
23.01 GPixel/s
Texture Rate
35.20 GTexel/s
92.03 GTexel/s
FP32 (TFLOPS)
2.006 TFLOPS
2.209 TFLOPS
FP64 (TFLOPS)
—
92.03 GFLOPS (1:24)
Power
TDP
300 W
122 W
TDP (W)
300
122
-59.3%
Suggested PSU
700 W
—
Power Connectors
—
None
Architecture
Architecture
Knights
Kepler
GPU Name
Knights Corner
GK104
Generation
Knights Corner
(x100)
GeForce 600M
Process Size
22 nm
28 nm
Transistors
5,000 million
3,540 million
Die Size
720 mm²
294 mm²
Foundry
Intel
TSMC
Density
6.9M / mm²
12.0M / mm²
API Support
DirectX
—
12 (11_0)
OpenGL
—
4.6
Vulkan
—
1.2.175
OpenCL
1.2
3.0
CUDA
—
3.0
Shader Model
5.0
6.5 (5.1)
Physical
Slot Width
Dual-slot
IGP
Length
248 mm
9.8 inches
—
Outputs
No outputs
Portable Device Dependent
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
1,695 USD
—
Production
End-of-life
End-of-life
Predecessor
Knights Ferry
GeForce 500M
Successor
H3C Graphics
GeForce 700M